It's relatively fine for car engines to get wet. What's not okay is for water to get inside the engine or for electrical parts to soak in liquid, like the ignition coils, spark plugs, distributor ...

If you've ever driven a car into water that was deeper than you expected, you might have suffered the consequences of a submerged engine. While getting a car engine wet is no big deal, getting water ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...